Copyright © 1998 General Motors Corp. P–39
WTEC II ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL
APPENDIX P — INPUT/OUTPUT FUNCTIONS
WARNING!
These schematics show the intended use of the specified controls features which
have been validated in the configuration shown. Any miswiring or use of these
features which differs from that shown could result in damage to equipment or
property, personal injury, or loss of life. ALLISON TRANSMISSION IS NOT
LIABLE FOR THE CONSEQUENCES ASSOCIATED WITH MISWIRING
OR UNINTENDED USE OF THESE FEATURES.
RETARDER INDICATOR
USES: Signals that the retarder is active. Typically used to turn on the vehicle brake lights when the retarder
is in use.
VARIABLES TO SPECIFY: None
VOCATIONS: Various
This function is used in conjunction with Retarder Enable Input Function. Refer to
schematic for Retarder Enable Input Function, noting the use of wire 125.
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